-- in.cue --
package x

#Prestep: {
	Args: *null | _
}

#PrestepNewUser: #Prestep & {
	Args: #NewUser
}

#NewUser: {
	Repos: [...#Repo]
}

#Repo: {
	Var:     string
	Pattern: *"*" | string
}

x: [...#Repo]
x: [{
	Var: "REPO1"
}]

y: #Repo & {
	Var: "REPO1"
}

z: #PrestepNewUser & {
	Args: {
		Repos: [ {
			Var: "REPO1"
		}]
	}
}
-- out/eval --
(struct){
  #Prestep: (#struct){
    Args: (_){ |(*(null){ null }, (_){ _ }) }
  }
  #PrestepNewUser: (#struct){
    Args: (#struct){
      Repos: (list){
      }
    }
  }
  #NewUser: (#struct){
    Repos: (list){
    }
  }
  #Repo: (#struct){
    Var: (string){ string }
    Pattern: (string){ |(*(string){ "*" }, (string){ string }) }
  }
  x: (#list){
    0: (#struct){
      Var: (string){ "REPO1" }
      Pattern: (string){ |(*(string){ "*" }, (string){ string }) }
    }
  }
  y: (#struct){
    Var: (string){ "REPO1" }
    Pattern: (string){ |(*(string){ "*" }, (string){ string }) }
  }
  z: (#struct){
    Args: (#struct){
      Repos: (#list){
        0: (#struct){
          Var: (string){ "REPO1" }
          Pattern: (string){ |(*(string){ "*" }, (string){ string }) }
        }
      }
    }
  }
}
-- out/compile --
--- in.cue
{
  #Prestep: {
    Args: (*null|_)
  }
  #PrestepNewUser: (〈0;#Prestep〉 & {
    Args: 〈1;#NewUser〉
  })
  #NewUser: {
    Repos: [
      ...〈1;#Repo〉,
    ]
  }
  #Repo: {
    Var: string
    Pattern: (*"*"|string)
  }
  x: [
    ...〈0;#Repo〉,
  ]
  x: [
    {
      Var: "REPO1"
    },
  ]
  y: (〈0;#Repo〉 & {
    Var: "REPO1"
  })
  z: (〈0;#PrestepNewUser〉 & {
    Args: {
      Repos: [
        {
          Var: "REPO1"
        },
      ]
    }
  })
}